Consolidated Statement of Comprehensive Income - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
NET EARNINGS (LOSS) $ 1,220 $ 2,017 $ 2,144
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX      
Change in cumulative foreign currency translation adjustment (less tax of $1, $1 and $0) 116 (473) 177
Net gains/losses on cash flow hedging derivatives:      
Net gains (losses) arising during the period (less tax of $2, $5 and $4) 4 (10) 15
Reclassification adjustment for (gains) losses included in net earnings (less tax of $2, $1 and $2) 4 2 (7)
TOTAL OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX 290 130 730
Comprehensive Income (Loss) 1,510 2,147 2,874
Net (Earnings) Loss Attributable to Noncontrolling Interests 5 (5) 0
Other Comprehensive (Income) Loss Attributable to Noncontrolling Interests 0 3 (1)
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO INTERNATIONAL PAPER COMPANY 1,515 2,145 2,873
Domestic Plan [Member]      
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX      
Amortization of pension and postretirement prior service costs and net loss: 163 588 486
Pension and postretirement liability adjustments: 22 18 56
Non-U.S. Plans      
OTHER COMPREHENSIVE INCOME (LOSS), NET OF TAX      
Amortization of pension and postretirement prior service costs and net loss: 1 1 0
Pension and postretirement liability adjustments: $ (20) $ 4 $ 3